Sixteen Victorian teenagers being illegally housed in a wing of the adult Barwon Prison are being moved to a Melbourne juvenile jail, after a court ruled for a second time their detention was unlawful.

The daughter of a Victorian man fatally knocked off on his bicycle in a hit-and-run on Mother's Day pleads for the man responsible to "be brave and come forward" as police reveal a second person may have helped destroy the car involved in the collision.